Speed camera that also checks your seatbelt, insurance and calls police on its own

and ding you for tailgaiting, all while sitting alone on the side of the road, relying on a wireless data connection and an internal generator to be totally self-sufficient. Whether or not this is scary depends largely on your propensity for speed, but know that the things will be getting built into police cars soon and will shortly be heading over here to our big, wide American highways.